1053945 has 32 divisors (see below), whose sum is σ = 1933440. Its totient is φ = 544320.

The previous prime is 1053863. The next prime is 1053953. The reversal of 1053945 is 5493501.

It is not a de Polignac number, because 1053945 - 2⁷ = 1053817 is a prime.

It is a super-2 number, since 2×1053945² = 2221600126050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4890 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (60420).

2^1053945 is an apocalyptic number.

1053945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053945 is a deficient number, since it is larger than the sum of its proper divisors (879495).

1053945 is a wasteful number, since it uses less digits than its factorization.

1053945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1053945 is about 1026.6182347884. The cubic root of 1053945 is about 101.7667681396.

The spelling of 1053945 in words is "one million, fifty-three thousand, nine hundred forty-five".